airplane pressurized to what altitude
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- Although aircraft cabins are pressurized, cabin air pressure at cruising altitude is lower than air pressure at sea level. At typical cruising altitudes in the range 11 000–12 200 m (36 000–40 000 feet), air pressure in the cabin is equivalent to the outside air pressure at 1800–2400 m (6000–8000 feet) above sea level.
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How does air density change with altitude? Altitude reduces the density of air. At sea level, the air pressure  is 14.7 pounds per square inch. It reduces as the altitude is  increased.
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Altitude air pressure calculator Click on the menu on the left to see the range of altitude.org interactive calculators. At sea level there is a pressure equivalent to 10 metres of water pressing down on all of us all the time. This is because of the weight of the air above us in the atmosphere. When you travel up a mountain, there is less air above you in the atmosphere,
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High-Altitude Flying: What You Need to Know The FAA requires a high-altitude endorsement to act as pilot in command of a pressurized airplane with a service ceiling above 25,000 feet. FlightSafety and Simcom offer the training, and King Schools has an online course.
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Cabin pressurization At 40,000 feet (12,000 m), the ambient air pressure falls to about 0.2 bar, at which maintaining a minimum partial pressure of oxygen of 0.2 bar requires breathing 100% oxygen using an oxygen mask. Emergency oxygen supply masks in the passenger compartment of airliners do not need to be pressure-demand masks because most flights stay below 40,000 feet (12,000 m).
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Pressure altitude Standard pressure, the baseline used universally, is 1013.25 hPa, equivalent to 1013.25 mbar or 29.92 inHg (inches of mercury). This setting is equivalent to the air pressure at mean sea level (MSL) in the International Standard Atmosphere (ISA).ircraft transponders report the pressure altitude; corrections for atmospheric pressure variations are applied on the ground. The relationship between static pressure and pressure altitude is defined in terms of the properties of the International Standard Atmosphere.
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14 CFR 91.211 - Supplemental oxygen. (2) At cabin pressure altitudes above 14,000 feet (MSL) unless the required minimum flight crew is provided with and uses supplemental oxygen during the entire flight time at those altitudes; and. (3) At cabin pressure altitudes above 15,000 feet (MSL) unless each occupant of the aircraft is provided with supplemental oxygen.
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- A typical commercial jet (most standard flights) cruises at around 28-35,000ft (up to 6.6 miles of altitude). The main exception is Concorde which was designed to fly at a higher altitude (and hence lower wind resistance) at around 45,000ft.
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- Density altitude is pressure altitude corrected for temperature. It is, in layman terms, the altitude at which the airplane thinks it is flying based on the density of the surrounding air mass. Too often, pilots associate density altitude only with high elevation airports.
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pressure altitude 1. 1  the altitude for a given pressure in a standard atmosphere, such as that registered by a pressure altimeter. 2  the altitude for a given pressure in a standard atmosphere, such as that registered by a pressure altimeter.
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- The standard atmosphere (symbol: atm) is a unit of pressure equal to 101325 Pa or 1013.25 hectopascals or millibars. Equivalent to 760 mmHg (torr), 29.92 inHg, 14.696 psi. (The pascal is a newton per square meter or in terms of SI base units, kilogram per meter per second-squared.).hus, a diver 10.3 m underwater experiences a pressure of about 2 atmospheres (1 atm of air plus 1 atm of water). Conversely, 10.3 m is the maximum height to which water can be raised using suction under standard atmospheric conditions.
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How many calories does trampolining burn? The amount of calories burned while trampolining depends on the type of trampoline activity being done and the height, weight, sex and age of the person doing the jumping, according to FitDay. Younger people burn more calories than older people, and men typically burn more calories than women.
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Air Pressure Warm air is less dense than cooler air because the gas molecules in warm air have a greater velocity and are farther apart than in cooler air. So, while the average altitude of the 500 millibar level is around 18,000 feet (5,600 meters) the actual elevation will be higher in warm air than in cold air.
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Cabin pressurization Pressurization becomes increasingly necessary at altitudes above 12,500 feet (3,800 m) to 14,000 feet (4,300 m) above sea level to protect crew and passengers from the risk of a number of physiological problems caused by the low outside air pressure above that altitude.
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- Pressure altitude is the altitude corrected to standard pressure-if you set your altimeter to 29.92, you will be reading pressure altitude. For every millibar, pressure altitude changes by approximately 30 feet.
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Talk:Cabin pressurization Finally, remember that a cabin which is not maintaining pressure (leaking up) is not the same thing as an instant equalization with the ambient (outside) air pressure. To instantly equalize the pressure of a large volume of cabin air with the outside, the hole has to be massive, e.g., the airplane blown in half.
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14 CFR 91.211 - Supplemental oxygen. (i) At flight altitudes above flight level 250 unless at least a 10-minute supply of supplemental oxygen, in addition to any oxygen required to satisfy paragraph (a) of this section, is available for each occupant of the aircraft for use in the event that a descent is necessitated by loss of cabin pressurization; and.
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Altitude above Sea Level and Air Pressure Altitude above Sea Level and Air Pressure. Elevation above sea level - in feet and meter - with barometric and atmospheric pressure - inches mercury, psia, kg/cm2 and kPa. Example - Air pressure at Elevation 10000 m. The table below indicates air pressure at elevations below and above sea level.
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Altitude High altitude and low pressure. Regions on the Earth's surface (or in its atmosphere) that are high above mean sea level are referred to as high altitude. High altitude is sometimes defined to begin at 2,400 metres (8,000 ft) above sea level. At high altitude, atmospheric pressure is lower than that at sea level.
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14 CFR 91.211 - Supplemental oxygen. No person may operate a civil aircraft of U.S. registry 1  -. (1) At cabin pressure altitudes above 12,500 feet (MSL) up to and including 14,000 feet (MSL) unless the required minimum flight crew is provided with and uses supplemental oxygen for that part of the flight at those altitudes that is of more than 30 minutes duration;
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Average Dealer Documentation Fees by State Doc fees range from $0 to nearly $1,000 depending on which dealer and state you purchase from. Some states such as California limit the maximum amount a dealer can charge for this fee, but most have no limits.oc fees range from $0 to nearly $1,000 depending on which dealer and state you purchase from. Some states such as California limit the maximum amount a dealer can charge for this fee, but most have no limits.
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Ejection seat The minimal ejection altitude for ACES II seat in inverted flight is about 140 feet (43 m) above ground level at 150 KIAS, while the Russian counterpart - K-36DM has the minimal ejection altitude from inverted flight of 100 feet (30 m) AGL.
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NYH Aerodynamics and Airplanes At an altitude of 18,000 ft., the air has one-half the density of air at sea level. Thus, in order to maintain the same amount of lift as altitude increases, an airplane must fly at a greater true airspeed for any given angle of attack.
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-   The pressure at any given altitude in the atmosphere is equal to  the weight of the air directly above that point. As altitude  increases, the air becomes less dense because of the smaller amount  of air above that altitude. There is a corresponding decrease in  pressure with an increase in altitude.Eventually you reach a point  without air, and the pressure decreases to zero.That is space. The pressure at any given altitude in the atmosphere is equal to  the weight of the air directly above that point. As altitude  increases, the air becomes less dense because of the smaller amount  of air above that altitude. There is a corresponding decrease in  pressure with an increase in altitude.
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Altimeter In aircraft, an aneroid barometer measures the atmospheric pressure from a static port outside the aircraft. Air pressure decreases with an increase of altitude—approximately 100 hectopascals per 800 meters or one inch of mercury per 1000 feet near sea level.
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What Makes Urine Smell Strong? A urinary tract infection also could cause a strong urine smell. These infections are caused when bacteria enters the urinary tract. This is a common infection that is easily treated with medication prescribed by your doctor. Another way said to help ease this infection is to drink more cranberry juice.